Fossils II

A paleontologist studies what?

• rocks
• water
• space
• fossils

The diagram shows layers of sedimentary rock and examples of the fossils each layer contains, Which layer contains the oldest fossils? 

• A. Layer 2
• B. Layer 4
• C. Layer 1
• D. Layer 3

Where are most fossils found?

• A. In sand dunes
• B. In volcanoes
• C. In igneous rocks 
• D. In sedimentary rocks 

What is a fossil?

• A type of dinosaur
• The remains of a dead animal or plant
• A shell found on the beach
• Teeth

Which animal part would most likely form a fossil?

• Muscle 
• Fur
• Lung
• Bone 

Produced when sediments fill in a cavity made when an object decayed 

• cast
• mold
• original remains

Formed when original material in skeletal remains are replaced by minerals 

• original remains 
• fossil
• permineralized remains 

Remains, imprints or traces of once-living organisms

• water
• superposition
• fossils 

Produced when sediments fill in a cavity made when an object decayed 

• cast
• mold
• original remains

Cavity in a rock made when an organism decayed

• cast
• mold 
• original remains